Natural gas or synthetic natural gas [SNG]

Industry

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F25J2210/60

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE F25J2210/00Processes characterised by the type or other details of the feed stream

Current Industry

F25J2210/60Natural gas or synthetic natural gas [SNG]

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Open loop liquefaction process with NGL recovery
- Patent number 12,366,408
- Issue date Jul 22, 2025
- HONEYWELL LNG LLC
- Mark Julian Roberts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Integrated heavy hydrocarbon and BTEX removal in LNG liquefaction f...
- Patent number 12,215,922
- Issue date Feb 4, 2025
- Fluor Technologies Corporation
- John Mak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Pretreatment of natural gas prior to liquefaction
- Patent number 12,209,803
- Issue date Jan 28, 2025
- Lummus Technology Inc.
- Thomas K. Gaskin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
System and method to produce liquefied natural gas using a three pi...
- Patent number 12,123,646
- Issue date Oct 22, 2024
- Praxair Technology, Inc.
- Henry Edward Howard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and unit for processing a gas mixture containing nitrogen an...
- Patent number 12,111,099
- Issue date Oct 8, 2024
- Linde GMBH
- Daniel Garthe
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Production of acetic acid through cryogenic separation of syngas
- Patent number 12,098,122
- Issue date Sep 24, 2024
- Saudi Arabian Oil Company
- Ali Shakir Al Hunaidy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
System and method for removing natural gas liquids from rich gas
- Patent number 12,092,393
- Issue date Sep 17, 2024
- Brian R. Cebull
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Natural gas liquefying apparatus
- Patent number 12,061,044
- Issue date Aug 13, 2024
- JGC CORPORATION
- Akito Hirai
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Chiller, air separation system, and related methods
- Patent number 12,038,230
- Issue date Jul 16, 2024
- Air Products and Chemicals, Inc.
- Gowri Krishnamurthy
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Systems and related methods for separating nitrogen from a natural...
- Patent number 12,038,231
- Issue date Jul 16, 2024
- AZOTA GAS PROCESSING, LTD.
- Pierre E. Lugosch
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Liquefaction of production gas
- Patent number 11,927,391
- Issue date Mar 12, 2024
- ExxonMobil Technology and Engineering Company
- Robert D. Kaminsky
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Natural gas liquefaction by a high pressure expansion process
- Patent number 11,892,233
- Issue date Feb 6, 2024
- ExxonMobil Technology and Engineering Company
- Fritz Pierre
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Natural gas processing using supercritical fluid power cycles
- Patent number 11,821,682
- Issue date Nov 21, 2023
- Southwest Research Institute
- Griffin C. Beck
- E21 - EARTH DRILLING MINING
Information Patent Grant
Process for cryogenic separation of a feed stream containing methan...
- Patent number 11,713,920
- Issue date Aug 1, 2023
- WAGA ENERGY
- Guénaël Prince
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
LNG production with nitrogen removal
- Patent number 11,674,749
- Issue date Jun 13, 2023
- Air Products and Chemicals, Inc.
- Sylvain Vovard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heavy hydrocarbon removal system for lean natural gas liquefaction
- Patent number 11,668,522
- Issue date Jun 6, 2023
- Air Products and Chemicals, Inc.
- Fei Chen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process integration for natural gas liquid recovery
- Patent number 11,644,235
- Issue date May 9, 2023
- Saudi Arabian Oil Company
- Mahmoud Bahy Mahmoud Noureldin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Primary loop start-up method for a high pressure expander process
- Patent number 11,635,252
- Issue date Apr 25, 2023
- ExxonMobil Technology and Engineering Company
- Yijun Liu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process for extracting gasoline from a gas containing condensable h...
- Patent number 11,624,032
- Issue date Apr 11, 2023
- Axens
- Pierre-Yves Lanfrey
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
System and method for small scale LNG production
- Patent number 11,561,043
- Issue date Jan 24, 2023
- BCCK Holding Company
- Rayburn C. Butts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Dehydrogenation separation unit with mixed refrigerant cooling
- Patent number 11,543,181
- Issue date Jan 3, 2023
- Chart Energy & Chemicals, Inc.
- Douglas A. Ducote
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process integration for natural gas liquid recovery
- Patent number 11,428,464
- Issue date Aug 30, 2022
- Saudi Arabian Oil Company
- Mahmoud Bahy Mahmoud Noureldin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
System and method for liquefying production gas from a gas source
- Patent number 11,408,671
- Issue date Aug 9, 2022
- Geoff Rowe
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Fuel gas conditioning
- Patent number 11,402,154
- Issue date Aug 2, 2022
- James M. Meyer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pretreatment of natural gas prior to liquefaction
- Patent number 11,402,155
- Issue date Aug 2, 2022
- Lummus Technology Inc.
- Thomas K. Gaskin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Mixing and heat integration of melt tray liquids in a cryogenic dis...
- Patent number 11,378,332
- Issue date Jul 5, 2022
- ExxonMobil Upstream Research Company
- Jaime A. Valencia
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process integration for natural gas liquid recovery
- Patent number 11,320,196
- Issue date May 3, 2022
- Saudi Arabian Oil Company
- Mahmoud Bahy Mahmoud Noureldin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Process integration for natural gas liquid recovery
- Patent number 11,268,756
- Issue date Mar 8, 2022
- Saudi Arabian Oil Company
- Mahmoud Bahy Mahmoud Noureldin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Process integration for natural gas liquid recovery
- Patent number 11,268,755
- Issue date Mar 8, 2022
- Saudi Arabian Oil Company
- Mahmoud Bahy Mahmoud Noureldin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Methods for providing refrigeration in natural gas liquids recovery...
- Patent number 11,268,757
- Issue date Mar 8, 2022
- LINDE ENGINEERING NORTH AMERICA, INC.
- Grant McCool
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
LEAKAGE DETECTION SYSTEM OF RELIQUEFACTION SYSTEM FOR SHIP
- Publication number 20250237430
- Publication date Jul 24, 2025
- Hanwha Ocean Co., Ltd.
- Jihoon SONG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
OPEN LOOP LIQUEFACTION PROCESS WITH NGL RECOVERY
- Publication number 20250207852
- Publication date Jun 26, 2025
- Honeywell LNG LLC
- Mark Julian Roberts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Methane Purification System and Method
- Publication number 20250101329
- Publication date Mar 27, 2025
- Chart Energy & Chemicals, Inc.
- James Podolski
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SYSTEM FOR PURIFYING HELIUM GAS, METHOD, AND APPLICATION
- Publication number 20250060157
- Publication date Feb 20, 2025
- Changqing Engineering Design Co., Ltd.
- Zibing LIU
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Production of Acetic Acid through Cryogenic Separation of Syngas
- Publication number 20240417357
- Publication date Dec 19, 2024
- Saudi Arabian Oil Company
- Ali Shakir Al Hunaidy
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR REMOVING NATURAL GAS LIQUIDS FROM RICH GAS
- Publication number 20240410646
- Publication date Dec 12, 2024
- GTUIT, LLC
- Brian R. Cebull
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Nitrogen Rejection Unit System and Method for Low Nitrogen Concentr...
- Publication number 20240401877
- Publication date Dec 5, 2024
- Chart Energy & Chemicals, Inc.
- Richard B. Hopewell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND PROCESS FOR NATURAL GAS LIQUEFACTION
- Publication number 20240393039
- Publication date Nov 28, 2024
- NuBlu Innovations, LLC
- Robert Meredith Harman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEMS AND METHODS FOR CHILLING A NATURAL GAS STREAM
- Publication number 20240337440
- Publication date Oct 10, 2024
- Saudi Arabian Oil Company
- Mutlaq F. AZMI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON
- Publication number 20240200869
- Publication date Jun 20, 2024
- TOYO ENGINEERING CORPORATION
- Keisuke SASAKURA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Open Loop Liquefaction Process with NGL Recovery
- Publication number 20240125549
- Publication date Apr 18, 2024
- Air Products and Chemicals, Inc.
- Mark Julian Roberts
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
CRYOGENIC PROCESS FOR RECOVERING VALUABLE COMPONENTS FROM A HYDROGE...
- Publication number 20240019206
- Publication date Jan 18, 2024
- XENON HOLDING GMBH
- Norbert PETERS
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
INTEGRATED PROCESS FOR PURIFYING AND LIQUEFYING NATURAL GAS
- Publication number 20230400251
- Publication date Dec 14, 2023
- SAIPEM S.P.A.
- Fabrizio MELONI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS FOR CRYOGENIC SEPARATION OF A FEED STREAM CONTAINING METHAN...
- Publication number 20230384027
- Publication date Nov 30, 2023
- WAGA ENERGY
- Guénaël Prince
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
LNG Liquefaction System and Process
- Publication number 20230366619
- Publication date Nov 16, 2023
- High Roller E & C, LLC
- Ravi Sudhakar Vemulapalli
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
DEVICES, SYSTEMS, FACILITIES AND PROCESSES FOR CO2 CAPTURE AT LIQUI...
- Publication number 20230288138
- Publication date Sep 14, 2023
- NEXT CARBON SOLUTIONS, LLC
- Ivan Van Der Walt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
INTEGRATED COMPRESSION AND MEMBRANE SEPARATION PROCESS FOR REMOVAL...
- Publication number 20230221067
- Publication date Jul 13, 2023
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Sandeep KARODE
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS
- Publication number 20230113326
- Publication date Apr 13, 2023
- Henry Edward Howard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Dehydrogenation Separation Unit with Mixed Refrigerant Cooling
- Publication number 20230113414
- Publication date Apr 13, 2023
- Chart Energy & Chemicals, Inc.
- Douglas A. Ducote
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS
- Publication number 20230115492
- Publication date Apr 13, 2023
- Henry Edward Howard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATION-INTEGRATED HYDROCARBON COLLECTION SYSTEM AND METHOD O...
- Publication number 20230066063
- Publication date Mar 2, 2023
- Oxy Low Carbon Ventures, LLC
- John M. REPASKY
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND SYSTEMS FOR NATURAL GAS PURIFICATION INTEGRATED WITH GA...
- Publication number 20230036896
- Publication date Feb 2, 2023
- Valence Natural Gas Solutions LLC
- John VERTZ
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SOLVENT INJECTION FOR SOLIDS PREVENTION IN AN LNG PLANT
- Publication number 20230024241
- Publication date Jan 26, 2023
- ConocoPhillips Company
- Dale Embry
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
INTEGRATED MULTICOMPONENT REFRIGERANT AND AIR SEPARATION PROCESS FO...
- Publication number 20230013885
- Publication date Jan 19, 2023
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Michael A. Turney
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PRETREATMENT OF NATURAL GAS PRIOR TO LIQUEFACTION
- Publication number 20220373257
- Publication date Nov 24, 2022
- Lummus Technology Inc.
- Thomas K. Gaskin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTIN...
- Publication number 20220333858
- Publication date Oct 20, 2022
- Henry Edward Howard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING A THREE PI...
- Publication number 20220333853
- Publication date Oct 20, 2022
- Henry Edward Howard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTIN...
- Publication number 20220333854
- Publication date Oct 20, 2022
- Henry Edward Howard
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD AND UNIT FOR PROCESSING A GAS MIXTURE CONTAINING NITROGEN AN...
- Publication number 20220316794
- Publication date Oct 6, 2022
- Linde GmbH
- Daniel GARTHE
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS AND PLANT FOR PRODUCING LIQUEFIED NATURAL GAS
- Publication number 20220307765
- Publication date Sep 29, 2022
- Linde GmbH
- Heinz BAUER
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Natural gas or synthetic natural gas [SNG]

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Open loop liquefaction process with NGL recovery

Integrated heavy hydrocarbon and BTEX removal in LNG liquefaction f...

Pretreatment of natural gas prior to liquefaction

System and method to produce liquefied natural gas using a three pi...

Method and unit for processing a gas mixture containing nitrogen an...

Production of acetic acid through cryogenic separation of syngas

System and method for removing natural gas liquids from rich gas

Natural gas liquefying apparatus

Chiller, air separation system, and related methods

Systems and related methods for separating nitrogen from a natural...

Liquefaction of production gas

Natural gas liquefaction by a high pressure expansion process

Natural gas processing using supercritical fluid power cycles

Process for cryogenic separation of a feed stream containing methan...

LNG production with nitrogen removal

Heavy hydrocarbon removal system for lean natural gas liquefaction

Process integration for natural gas liquid recovery

Primary loop start-up method for a high pressure expander process

Process for extracting gasoline from a gas containing condensable h...

System and method for small scale LNG production

Dehydrogenation separation unit with mixed refrigerant cooling

Process integration for natural gas liquid recovery

System and method for liquefying production gas from a gas source

Fuel gas conditioning

Pretreatment of natural gas prior to liquefaction

Mixing and heat integration of melt tray liquids in a cryogenic dis...

Process integration for natural gas liquid recovery

Process integration for natural gas liquid recovery

Process integration for natural gas liquid recovery

Methods for providing refrigeration in natural gas liquids recovery...

Patents Applicationslast 30 patents

LEAKAGE DETECTION SYSTEM OF RELIQUEFACTION SYSTEM FOR SHIP

OPEN LOOP LIQUEFACTION PROCESS WITH NGL RECOVERY

Methane Purification System and Method

SYSTEM FOR PURIFYING HELIUM GAS, METHOD, AND APPLICATION

Production of Acetic Acid through Cryogenic Separation of Syngas

SYSTEM AND METHOD FOR REMOVING NATURAL GAS LIQUIDS FROM RICH GAS

Nitrogen Rejection Unit System and Method for Low Nitrogen Concentr...

SYSTEM AND PROCESS FOR NATURAL GAS LIQUEFACTION

SYSTEMS AND METHODS FOR CHILLING A NATURAL GAS STREAM

PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON

Open Loop Liquefaction Process with NGL Recovery

CRYOGENIC PROCESS FOR RECOVERING VALUABLE COMPONENTS FROM A HYDROGE...

INTEGRATED PROCESS FOR PURIFYING AND LIQUEFYING NATURAL GAS

PROCESS FOR CRYOGENIC SEPARATION OF A FEED STREAM CONTAINING METHAN...

LNG Liquefaction System and Process

DEVICES, SYSTEMS, FACILITIES AND PROCESSES FOR CO2 CAPTURE AT LIQUI...

INTEGRATED COMPRESSION AND MEMBRANE SEPARATION PROCESS FOR REMOVAL...

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

Dehydrogenation Separation Unit with Mixed Refrigerant Cooling

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

REFRIGERATION-INTEGRATED HYDROCARBON COLLECTION SYSTEM AND METHOD O...

METHODS AND SYSTEMS FOR NATURAL GAS PURIFICATION INTEGRATED WITH GA...

SOLVENT INJECTION FOR SOLIDS PREVENTION IN AN LNG PLANT

INTEGRATED MULTICOMPONENT REFRIGERANT AND AIR SEPARATION PROCESS FO...

PRETREATMENT OF NATURAL GAS PRIOR TO LIQUEFACTION

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTIN...

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING A THREE PI...

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTIN...

METHOD AND UNIT FOR PROCESSING A GAS MIXTURE CONTAINING NITROGEN AN...

PROCESS AND PLANT FOR PRODUCING LIQUEFIED NATURAL GAS